Condell, R.A., Hanko,V.P., Larenas, E.A., Wallace,G.,and McCullough,K.A(1993), Analysis of native collagen monomers and oligomers by dimension-exclusion excessive-Marble/Granite Fountain Villa/Garden Decoration Animal Sculpture Natural Stone Fountain. Analysis by HPLC showed that glycine, glutamic acid, alanine, and arginine were the principal